Possible Clues:

• Painter right to leave a gory mess?
• Painter unknown in Indian state
• Suffering nameless agony for his art?
• Francisco who painted frescoes
• Prado piece
• Painter whose name anagrams to "yoga"
• 'The Colossus' painter
• Francisco de ---- (1746-1828), Spanish portrait painter
• He painted Maja
• Spanish artist Francisco ___